4.7 Platform Level Cylinder; Removal; Installation - JLG T500J Service And Maintenance Manual

4.7 PLATFORM LEVEL CYLINDER

Removal

1. Swing the boom away from the tongue.
2. Place a suitable support or blocking under the base of
the jib.
3. Tag and disconnect the hoses running to the platform
level cylinder. Cap or plug all openings.
4. Using an adequate supporting device, support the plat-
form level cylinder so it doesn't fall when the pin is
removed.
NOTE: The platform level cylinder weighs approximately 28.2 lbs.
(12.8 kg).
5. Remove the retaining pins and pivot pin from the rod
end of the cylinder.
6. Remove the retaining pins and pivot pin from the barrel
end of the cylinder and remove the cylinder from the
machine.
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Installation

1. Using suitable lifting device, lift the platform level cylin-
der into position and install the pivot pin and retaining
pin into the barrel end of the cylinder.
NOTE: The platform level cylinder weighs approximately 28.2 lbs.
(12.8 kg).
2. Install the retaining pins and pivot pin into the rod end
of the cylinder.
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3. Connect the hoses running to the platform level cylin-
der as tagged during removal.
4. Function the platform level cylinder through several
cycles and check for proper operation and any leakage.
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SECTION 4 - BOOM & PLATFORM
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